1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Internal Medicine
  6. NPI Profile

GRACE W PIEN MD
NPI 1427077650
Internal Medicine - Sleep Medicine in Philadelphia, PA

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
85.48/100
CMS Quality Rating
3624 MARKET ST FL 2, PHILADELPHIA, PA 19104(215) 662-7772(215) 349-8038 Get Directions Write a Review

NPPES record last updated: September 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 22, 2022, Feb 4, 2020 (2 updates tracked since 2020).

About Grace W Pien Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRACE W PIEN MD (NPI 1427077650) is an individual sleep medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD069768L) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Columbia University College Of Physicians And Surgeons (1994).

NPPES Registry Identity

NPI1427077650
Entity TypeIndividualFemale
Primary Taxonomy207RS0012X
Provider Legal NameGRACE W PIENCredential: MD
Location Address3624 MARKET ST FL 2Philadelphia, PA 19104-5803
Mailing Address3624 Market St Fl 2Philadelphia, PA 19104-5803 · (215) 662-7772 · Fax (215) 349-8038
Phone(215) 662-7772
Fax(215) 349-8038
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1994
Enumeration DateJuly 19, 2006
Last NPPES UpdateSeptember 17, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2023
✔ NPI 1427077650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
License✔ Licensed in PA · MD069768L
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD069768L (PA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License MD069768L (PA)
3624 MARKET ST FL 2, Philadelphia, PA 19104
Open in Google Maps ↗

Other Identifiers 1

Medicaid0018841520001PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grace W Pien Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820133218
PECOS Enrollment IDI20100310000466
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
16 suppliers164 claims164 services$34.84 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
8 suppliers27 claims27 services$83.19 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
6 suppliers18 claims36 services$31.41 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
7 suppliers102 claims506 services$16.76 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
8 suppliers38 claims192 services$12.44 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
14 suppliers177 claims178 services$47.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grace Pien's NPI number?

The NPI number for Grace Pien is 1427077650. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Grace Pien located?

Grace Pien practices at 3624 Market St Fl 2, Philadelphia, PA 19104. The listed phone number is (215) 662-7772.

What is Grace Pien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Grace Pien enrolled in Medicare?

Yes. Grace Pien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Grace Pien accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Grace Pien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Grace Pien affiliated with any hospitals?

According to CMS data, Grace Pien is affiliated with Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Grace Pien was last updated on September 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.